# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1620649104 -7200
# Node ID 29c85a2c6df0232cb075fc0fcaf241500c5613e1
# Parent  604fc328dc103af265093ee0748b578336efbb96
fix segfault in sample rt viewer on sdl

diff -r 604fc328dc10 -r 29c85a2c6df0 OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp
--- a/OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp	Mon May 10 11:56:47 2021 +0200
+++ b/OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp	Mon May 10 14:18:24 2021 +0200
@@ -44,9 +44,12 @@
   {
     {
       std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
-      ViewportController& controller = lock->GetController();
-      Scene2D& scene = controller.GetScene();
-      scene.DeleteLayer(layerDepth_);
+      if (lock.get())
+      {
+        ViewportController& controller = lock->GetController();
+        Scene2D& scene = controller.GetScene();
+        scene.DeleteLayer(layerDepth_);
+      }
     }
     lastPlane_.reset(NULL);
   }